Year Percent of GDP 2000-01-01 62.8133 2001-01-01 54.2673 2002-01-01 51.2507 2003-01-01 42.1482 2004-01-01 35.1933 2005-01-01 26.2883 2006-01-01 23.6380 2007-01-01 13.4998 2008-01-01 8.0618 2009-01-01 9.7703 2010-01-01 10.4930 2011-01-01 9.2572 2012-01-01 9.3317 2013-01-01 7.6008 2014-01-01 7.6733 2015-01-01 8.7528 2016-01-01 20.5786 2017-01-01 25.8020 2018-01-01 33.3390 2019-01-01 38.4249